CN106953136B - The thermal interfacial material of cured in place - Google Patents

The thermal interfacial material of cured in place Download PDF

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Publication number
CN106953136B
CN106953136B CN201611226674.9A CN201611226674A CN106953136B CN 106953136 B CN106953136 B CN 106953136B CN 201611226674 A CN201611226674 A CN 201611226674A CN 106953136 B CN106953136 B CN 106953136B
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China
Prior art keywords
thermal interfacial
interfacial material
type thermal
suitable type
waste heat
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Expired - Fee Related
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CN201611226674.9A
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Chinese (zh)
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CN106953136A (en
Inventor
H·K·福莱姆
C·A·科拉尔
M·H·A·艾尔哈米德
T·J·富勒
A·H·列伊瑟乌塞尔
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GM Global Technology Operations LLC
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GM Global Technology Operations LLC
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Priority to CN201910701797.0A priority Critical patent/CN110350269B/en
Publication of CN106953136A publication Critical patent/CN106953136A/en
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    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
    • C09K5/02—Materials undergoing a change of physical state when used
    • C09K5/06—Materials undergoing a change of physical state when used the change of state being from liquid to solid or vice versa
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
    • C09K5/02—Materials undergoing a change of physical state when used
    • C09K5/06—Materials undergoing a change of physical state when used the change of state being from liquid to solid or vice versa
    • C09K5/063—Materials absorbing or liberating heat during crystallisation; Heat storage materials
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • H01M10/052—Li-accumulators
    • H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/61—Types of temperature control
    • H01M10/613—Cooling or keeping cold
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/61—Types of temperature control
    • H01M10/617—Types of temperature control for achieving uniformity or desired distribution of temperature
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
    • H01M10/625—Vehicles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/653—Means for temperature control structurally associated with the cells characterised by electrically insulating or thermally conductive materials
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/655—Solid structures for heat exchange or heat conduction
    • H01M10/6551—Surfaces specially adapted for heat dissipation or radiation, e.g. fins or coatings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/655—Solid structures for heat exchange or heat conduction
    • H01M10/6554—Rods or plates
    • H01M10/6555—Rods or plates arranged between the cells
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/655—Solid structures for heat exchange or heat conduction
    • H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/655—Solid structures for heat exchange or heat conduction
    • H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
    • H01M10/6557—Solid parts with flow channel passages or pipes for heat exchange arranged between the cells
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/218—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the material
    • H01M50/22—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the material of the casings or racks
    • H01M50/222—Inorganic material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/218—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the material
    • H01M50/22—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the material of the casings or racks
    • H01M50/227—Organic material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/218—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the material
    • H01M50/22—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the material of the casings or racks
    • H01M50/229—Composite material consisting of a mixture of organic and inorganic materials
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2227—Oxides; Hydroxides of metals of aluminium
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/01—Use of inorganic substances as compounding ingredients characterized by their specific function
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/28—Nitrogen-containing compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/34—Silicon-containing compounds
    • C08K3/36—Silica
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2220/00—Batteries for particular applications
    • H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/14—Thermal energy storage

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Composite Materials (AREA)
  • Physics & Mathematics (AREA)
  • Combustion & Propulsion (AREA)
  • Thermal Sciences (AREA)
  • Organic Chemistry (AREA)
  • Battery Mounting, Suspending (AREA)
  • Secondary Cells (AREA)

Abstract

For providing the equally distributed method and apparatus of waste heat in vehicle battery packs, including battery pack, cold plate, coolant storage, the support construction between battery pack and coolant storage and the suitable type thermal interfacial material for being filled in the space between the battery and coolant storage of battery pack, to provide thermo-contact between battery and coolant storage, for being distributed waste heat.In addition, for providing the method and apparatus of waste heat being uniformly distributed with structural support to radiator in any heat source, the application for such as midget plant of computer motor.

Description

The thermal interfacial material of cured in place
Technical field
Present invention relates generally to the waste heat distributions in vehicle battery packs.More specifically, this application involves for allowing to give up Heat is uniformly distributed in vehicle battery packs or the side for needing to carry out the other application of heat distribution by fitting type thermal interfacial material Method and device.
Background technique
Battery-driven vehicle provides the remarkable advantage better than traditional driving mode.It remains desirable, however, that overcoming multiple skills Art problem, to ensure most preferably to use the technology.Current market product by, for example, driving range, structural stability, with And the limitation of the waste heat from battery pack distributed in vain.
Limitation of the current system distributed for battery pack waste heat by technical problem, is generally subjected to fragile material, cracking With the invalid contact for hindering heat transmitting.Additionally, there are be limited in currently used material may hardly consistent with building change.
Need to provide the new system and method for heat transmitting for a long time in the art, wherein can be between holding member Constant contact, using meet different designs and with effective hot property material, in order to provide the battery from battery pack The reliable delivery of waste heat.
Summary of the invention
Embodiment as described herein is described in detail a kind of for providing the equally distributed system of waste heat in vehicle battery packs System.At least one cold plate that the system may include battery pack, extend between two batteries of battery pack, and pass through suitable type Thermal interfacial material is connected to the coolant storage of cold plate, allows to conduct heat therebetween.Cold plate may include aluminium.Having In body embodiment, there are support constructions between battery pack and coolant storage, and have liquid or gel (or paste Or including paste) the suitable type thermal interfacial material of form can be placed in the support construction.It is poly- that thermal interfacial material can be liquid Close object and/or liquid gel.Suitable type thermal interfacial material may be configured so that it is it is flowable, to fill reservoir and battery pack Each battery between space so that in the entire lower surface of each battery of battery pack and the upper surface of coolant storage Between there are constant thermo-contacts.When flowing into the space, suitable type thermal interfacial material be can be, for example, about 2 to about 5 millimeters thicks, Or about 6 to about 25 millimeters thick.In a particular embodiment, the thermo-contact that type thermal interfacial material is kept constant in crosslinking is fitted, this drop The low mobility of suitable type thermal interfacial material, and by the way that waste heat is transmitted to coolant storage from each battery of battery pack To provide being uniformly distributed for waste heat.Crosslinking can be hot and/or be photochemically carried out.Cross-linking method can also include chemical crosslinking, Such as peroxide cure and catalyst add；Other cross-linking methods include ultraviolet light and laser crosslinking.
Other embodiment as described herein provides a kind of for being provided in vehicle by suitable type thermal interfacial material The equally distributed method of the waste heat of battery pack.Specific embodiment includes the branch for providing coolant storage and being connected to reservoir Support structure, and suitable type thermal interfacial material is placed in support construction in the form of liquid or gel.Specific embodiment includes The bottom surface of battery pack is placed into liquid and/or gel, so that liquid and/or gel surround each battery stream of battery pack It is dynamic, so that there are constant heat to connect between the entire lower surface of each battery of battery pack and the surface of coolant storage Touching.This method can also include making suitable type thermal interfacial material crosslinking, to reduce the mobility of suitable type thermal interfacial material, and pass through Waste heat is transmitted to coolant storage from each battery to provide being uniformly distributed for waste heat.Liquid or gel can individually or one It rises and uses, and may include polymer, and be crosslinked (for example, about 1 to about 50%) that can be part or completely (about 100%).In a particular embodiment, before suitable type thermal interfacial material is introduced support construction, cold plate can be connected to battery pack.
Detailed description of the invention
When read in conjunction with the following drawings, the detailed description of following specific embodiments, phase in attached drawing can be best understood Same structure is indicated by the same numbers, and wherein:
Fig. 1 shows the schematic diagram of the embodiment of the equally distributed system for providing waste heat in vehicle battery packs, Show suitable type thermal interfacial material；
Fig. 2 shows the cross sections of the line 2-2 in Fig. 1 of the system of Fig. 1；
Fig. 3 shows the exemplary embodiment of cold plate shape；
Fig. 4, which is shown, wherein to include the vehicle of the one or more battery of one or more battery group；And
Fig. 5 shows the use of embodiment in one application, and in this application, small radiator to external heat sink needs Heat distribution.
The embodiment illustrated in attached drawing is substantially illustrative, and is not intended to be limited to the reality being defined by the claims Apply example.In addition, the various aspects of drawings and examples will be more fully apparent from and be understood in view of following detailed description.
Specific embodiment
The specific embodiment of the disclosure will now be described.However, the present invention can be implemented in different forms, and do not answer It is construed as limited to embodiment set forth herein.On the contrary, these embodiments are provided so that the disclosure will be thorough and complete, and And the scope of the present invention will be fully communicated to those skilled in the art.
It is led unless otherwise defined, all technical and scientific terms used herein has with belonging to the embodiment of the present invention The normally understood identical meaning of the those of ordinary skill in domain.Term as used herein is only used for description specific embodiment, and And it is not intended to be limited to the present invention.Unless the context is clearly stated, it is otherwise used in specification and appended book Singular " one ", "one" and "the" be also intended to including plural form.
Unless otherwise stated, the amount of expression composition used in the specification and claims, property (such as molecule Amount), all numbers of reaction condition etc. be interpreted as being modified by term " about " in all cases, be intended to indicate that it is at most institute ± the 10% of registration value.In addition, the disclosure of any range in specification and claims should be read to include model Enclose itself and any content wherein included and endpoint.Unless otherwise stated, being explained in specification and claims The numerical property stated is approximation, can be changed according to the required property for seeking to obtain in an embodiment of the present invention.To the greatest extent Pipe illustrates the numberical range of the wide scope of the embodiment of the present invention and parameter is approximation, but the number described in specific example Value is reported as precisely as possible.However, any numerical value inherently includes the inevitable mistake by finding in their own measurement Certain errors caused by difference.
Certain parts of method described herein, for example, mathematics determination, operation, for calculating data input or equation or The determination of its part can execute on the certain parts or one or more of computer or computer system, the computer or meter Calculation machine system may include one or more processors and software, for running or executing program and run operation or calculating.
Method described herein and system and its part can be combined to realize the embodiment of the present invention.Word used herein Language form can have variation: for example when using such as word of " connection (couple) ", this hint such as " is attached to (coupled to) " and the variation of " (coupling) of connection " and " (the coupling to) that is attached to " are understood to It is considered.It such as " is formulated (formula) " when using, the term of " preparing (formulate) " and " preparation (formulation) " When, methods herein and system already have accounted for this word form of ownership.
Within a context, as it is used herein, " vehicle " may include automobile, truck, van-type sports utility vehicle (SUV) etc., and can be entirely electronic, or may include the power of other forms, such as one or more routines Engine, such as one or more internal combustion engines.
Fig. 1 shows the schematic diagram of the embodiment of the equally distributed system for providing waste heat in vehicle battery packs, Show suitable type thermal interfacial material 4.Also show the battery 2 of battery pack；Seven batteries 2 are shown to form battery pack, but can With there are the battery 2 of other quantity, for example, about one to about ten, or from about one to about 30, or with different number Multiple battery packs of battery 2.Also showing foams 3 (such as can be (also referred herein as solid 5 at the top of unit 2, cold plate Fin), coolant storage 6, the bar or multiple bars extended between support construction 7 and cold plate bottom 8).It shows 10 positions are discharged in coolant in-position 9 and coolant.In a particular embodiment, coolant storage 6 has along arrow 11 Direction convection current coolant flow.In a particular embodiment, flow direction can be in the opposite direction.Fig. 1 is shown in Fig. 2 System along 2-2 cross section.Also show battery 2, coolant storage 6, cold plate bottom 8 and suitable type thermal interfacial material 4, in a particular embodiment, thermal interfacial material 4 flows above and below cold plate bottom 8.In a particular embodiment, coolant stores up Storage carries ethylene glycol mixture and/or other cooling fluids, such as organic refrigerant, phase-change material (such as ammonia) or short chain alcohol (such as ethyl alcohol and/or methanol).If air or nitrogen can be used by gas cooling.Flow velocity becomes according to cooling medium Change.The typical flow of liquid is 10 liters/min, and air cooling rate is usually 200-300 cubes m/h.The temperature of stable state It can be about 25 degrees Celsius or lower).One or more cold plates can have approximate " L shape " (Fig. 1), wherein the bottom of cold plate 8 There is length (and consistent with the axis of longitudinal coolant storage 6) in the bottom of " L shape ", and the top 5 of cold plate is in " L The top of shape " has length (and along the consistent plane in the direction of the height with unit in the outside of one or more units 2 Extend between edge and/or along the outer edge of one or more units 2).There can be the cold plate of one or more than one, such as such as Four or more shown in figure.Technological difficulties in the prior art include being directed at cold plate.When cold plate is aligned completely (so that 8 cold plate of bottom forms single plane) and when they are misaligned, embodiment provided herein is in each battery 2 and coolant It provides between reservoir 6 and about absolutely contacts.It about suitable type thermal interfacial material 4, can flow, so that it surrounds one The a part at the top 5 of the bottom 8 and cold plate of a or multiple cold plates.Fig. 3 show cold plate shape (such as division shape 12, Spring fin 13, traditional shape 14 and wave plate 15) exemplary embodiment；Embodiment can in individual system 1 have one, it is more In one or all shapes.
Fig. 4 shows vehicle 16, can wherein include the one or more battery 2 of one or more battery group.One A or multiple battery packs can be located at front, middle part or the rear portion of automobile.One or more battery group could be attached to automobile Bottom.In addition, the system 1 summarized herein can be related to the cooling in the computer application in the inner and/or outer portion of vehicle 16, wherein Heat transfer is needed between interface.In a particular embodiment, vehicle includes in the system 1 for providing power to vehicle 16 using suitable type Thermal interfacial material 4, and further include the heat in the computer system with power supply and in terms of controlling the vehicle in addition to propulsion Boundary material 4.Fig. 5 shows the use of embodiment in one application, and in this application, small radiator to external heat sink needs Want heat distribution.Show heat source 17 (such as motor), radiator 18, solid structure interface 19 and support construction 7.Solid structure circle Face 19 may include suitable type hot material 4, is used as heat conductor, heat is moved on to solid structure interface 19 from source 17.
In the specific embodiment of system and method as described herein, Heat Conduction Material is the system comprising suitable type thermal interfacial material A part of agent (herein, thermally conductive and thermal diffusion is the synonymous term used).Said preparation may include below a kind of or more The combination of kind: condensation polymer (polyvinylidene fluoride, poly- (dimethyl siloxane) etc.), processing aid (fluorinated surfactant perfluor nonyl Acid) and/or coolant (such as boron nitride, although this can be with one or more ceramic combination uses) come in dispersion coatings by shadow Ring the heat and fire retardant in region.
Preparation may include one or more (or whole): thermally-conductive silicone mixture, heat-conduction epoxy resin mixture, tool There is the thermally conductive alkyd resin, thermally conductive of styrene solvent mixtureResin, heat-conducting glue, and/or thermally conductive polyoctenamer are as follows It is described.Some resins can be filled with graphite and/or aluminium powder and assign high-termal conductivity, but be also possible to conduction , this may be needed using conductive powder (such as or mixtures thereof graphite, carbon black, aluminium, copper, zinc, silver).Under preparation may include The one or more of institute's embodiment is provided in text partly or entirely.
Thermally-conductive silicone mixture(may include)
The mixture is two parts room temperature vulcanization (RTV) silicon rubber, with 1 to 2 minute working time and about Solidify in 15 minutes.In a particular embodiment, part A (or part B) using the amount of 5-50wt% (preferably 33wt%) with as leading Aluminium oxide, diamond synthesis or boron nitride powder (being based on total resin solid) kneading of hot additive.Then by (or the portion part B Divide A) it is quickly integrated with the second component, and putty material is used as Embedding Material rapidly to protect automobile batteries.The thermal conductive silicon oxygen Alkane generates 100% solid, tough and tensile, firm, the flexible and lasting mold that shrinking percentage is 0%.
Heat-conduction epoxy resin mixture
Two parts epoxy resin system that the mixture is made of epoxy resin and curing agent is (such asOrDeng one of or it is a variety of), can be used as individually The mixture of component or component, in a particular embodiment, using the amount of 5-50wt% (preferably 33wt%) with as thermally conductive additive Aluminium oxide, diamond synthesis or boron nitride powder (being based on total resin solid) kneading.Putty material can quickly be used as encapsulating Material is to protect automobile batteries.The heat-conducting compound generates 100% solid and low tough and tensile, firm, flexible and lasting of shrinking percentage Mold.
Thermally conductive alkyd resin and styrene solvent mixture
The mixture is unsaturated polyester (UP) (such as fumaric acid-ethylene glycol polyester or propoxylated bisphenol-A fumarate Resin) or other styrene solubility alkyd polyester resins ( Deng), it can be with benzene Vinyl monomer is mixed to form paste, and methyl-ethyl-ketone peroxide is then added.In a particular embodiment, putty can be with 5- The amount of 50wt% (preferably 33wt%) is with the aluminium oxide, diamond synthesis or boron nitride powder as thermally conductive additive (based on total Resin solid) kneading.Putty material can be used as Embedding Material quickly to protect automobile batteries.The heat-conducting compound generates 100% solid and low tough and tensile, firm, the flexible and lasting mold of shrinking percentage.
It is thermally conductive Resin
The resin be polyvinylidene fluoride copolymers object (It 2751), can be with acetone (50wt% solid) is mixed to form paste, then in a particular embodiment, with the amount of 5-50wt% (preferably 33wt%) with Aluminium oxide, diamond synthesis or boron nitride powder (being based on total resin solid) kneading as thermally conductive additive.Putty material is right After may be used as Embedding Material to protect automobile batteries.The heat-conducting compound generates 100% solid and low tough and tensile, hard of shrinking percentage Gu, flexible and lasting mold.
Thermally conductive Booger
BoogerOr credit stuck glue (polyisobutene) can in a particular embodiment with 5-50wt% (preferably Amount 33wt%) is rubbed with the aluminium oxide, diamond synthesis or boron nitride powder (being based on total resin solid) as thermally conductive additive It closes.Putty material may then serve as Embedding Material to protect automobile batteries.The heat-conducting compound generates 100% solid and contraction Low tough and tensile, firm, the flexible and lasting mold of rate.
Thermally conductive polyoctenamer
In a particular embodiment, cyclo-octene (Aldrich) and catalyst using the amount of 5-50wt% with as thermally conductive additive Aluminium oxide, diamond synthesis or boron nitride powder (being based on total resin solid) merge.In a particular embodiment, catalyst is out Ring metathesis polymerization catalyst (such asCatalyst).The mixture may then serve as Embedding Material to protect automobile Battery.The heat-conducting compound generates 100% solid and tough and tensile, firm, the flexible and lasting mold without shrinkage.
Paste can be used, and provide the exemplary hot conductance of exemplary paste in table 1 below.Specific real It applies in example, the thermal conductivity of paste is about 2.5W/mK.In a particular embodiment, thermal conductivity can be about 2.5 to about 11.3W/ Between mK.
Table 1
Suitable type thermal interfacial material can be comprising in polyvinylidene fluoride, boron nitride, melamine, processing aid and ceramics One or more preparations a part.In a particular embodiment, said preparation includes (score by weight): about 0.65 to about 0.75 polyvinylidene fluoride；The boron nitride of about 0.10 to about 0.15；About 0.05 to about 0.10 melamine；About 0.05 to about 0.1 processing aid and ceramic combination.In a particular embodiment, it is transmitted using the heat with about 1700 watts of every square metre of Kelvins The boron nitride of coefficient.Also other materials, such as diamond synthesis and aluminium oxide can be used.
In the other embodiments of system and method as described herein, which is comprising poly dimethyl silicon Oxygen alkane, boron nitride, melamine, a part of one of processing aid and ceramics or a variety of preparations.In specific embodiment In, preparation includes (score by weight): the boron nitride of about 0.1 to about 50%；About 0.05 to about 0.10 melamine；About 0.05 Processing aid and ceramic combination to about 0.1；And remaining balance in a particular embodiment is dimethyl silicone polymer.
In a particular embodiment, one or more preparations as described herein can have one or more: alkyd resin gathers Isobutene, epoxy resin or resin, polyurethane (foam) and polycyclic alkene.
In other specific embodiments of system and method as described herein, battery pack includes lithium ion battery.Embodiment It can also include prismatic, bag-shaped and/or pot battery.
Specific system and method as described herein may include shake and/or vibrational system to be distributed the hot interface material of suitable type Material.For example, in a particular embodiment, it can be after suitable type thermal interfacial material be placed into support construction and in crosslinking Preceding execution shake and/or vibration.In a particular embodiment, crosslinking is executed, to reduce the mobility of suitable type thermal interfacial material.? In specific embodiment, the reduction of mobility, and in a particular embodiment can be with so that the thermal interfacial material of crosslinking forms solid It is provided the structural support for battery pack.As used herein, solid refers to the fully crosslinked of liquid or gel, so that solid is formed, and And the liquid or gel that instruction is fully cured.In a particular embodiment, cured measurement is by sampling material and in nuclear-magnetism Test is on resonance machine to measure to provide curing degree.Mobility can execute before material is crosslinked with Dynamic Mechanical Analyzer.
In other specific embodiments of system and method as described herein, release liner can be placed on reservoir On.In a particular embodiment, on the top that suitable type thermal interfacial material is placed on coolant storage and/or it is placed into support Before in structure and/or in support construction, release liner is placed on reservoir.In other specific embodiments, this paper institute The system and method stated include that the suitable type thermal interfacial material that can physically remove from system and/or release liner (is directly away from anti- Viscous lining or release liner itself can be removed with the hot interface of suitable type from system), and/or remove hot interface and/or release lining is (all Such as one or more thin polymer films, such as one or more polyethylene or polyethylene terephthalate in a particular embodiment Ester) the step of.In a particular embodiment, release liner with a thickness of about 100 microns, in other embodiments, be about 75 to About 125 microns of thickness.Removable property can be used for being related to the service of one or more battery.
Specific embodiment provided herein includes polymer substrate.As used herein, polymer substrate, which refers to, has polymerization The mixture of object.
Specific embodiment uses part and the one or more acrylic acid of one or more methods as described herein or system The combination of base ceramics or silicone base.

Claims (10)

1. one kind in vehicle battery packs for providing the equally distributed system of waste heat
Include:
Battery pack；
At least one cold plate extends between two batteries of the battery pack；
Coolant storage is connected to the cold plate by suitable type thermal interfacial material, makes it possible to conduct heat therebetween；
Support construction between the battery pack and the coolant storage；And
The suitable type thermal interfacial material of liquid or gel form, can be placed in the support construction, be configured to it is flowable with It fills the space between the coolant storage and each battery of the battery pack and makes each electricity in the battery pack There are constant thermo-contacts between the entire lower surface in pond and the upper surface of the coolant storage, and the wherein suitable type The thermo-contact that thermal interfacial material is kept constant in crosslinking, it reduce the mobility of the suitable type thermal interfacial material, and lead to It crosses and the waste heat is transmitted to the coolant storage from each battery of the battery pack to provide the uniform of the waste heat Distribution.
2. it is according to claim 1 for providing the equally distributed system of waste heat in vehicle battery packs, wherein described suitable Type thermal interfacial material includes crosslinking condensation polymer.
3. it is according to claim 1 for providing the equally distributed system of waste heat in vehicle battery packs, it further include thermally conductive Material,
Its a part as the preparation comprising the suitable type thermal interfacial material.
4. it is according to claim 1 for providing the equally distributed system of waste heat in vehicle battery packs, it further include heat dissipation Agent, processing aid and fire retardant, respectively as a part of the preparation comprising the suitable type thermal interfacial material.
5. it is according to claim 1 for providing the equally distributed system of waste heat in vehicle battery packs,
Wherein the suitable type thermal interfacial material is comprising dimethyl silicone polymer, boron nitride, melamine, processing aid and ceramics Preparation a part.
6. a kind of equally distributed method for the waste heat by fitting battery pack of the type thermal interfacial material offer in vehicle,
Include:
It provides:
Coolant storage；And
It is attached to the support construction of the coolant storage；
The suitable type thermal interfacial material is placed in the support construction in the form of liquid or gel；
The bottom surface of battery pack is placed into the liquid or gel, so that the liquid and/or gel surround the battery Each battery flowing of group, so that in the entire lower surface of each battery of the battery pack and the table of the coolant storage There are constant thermo-contacts between face；And
Make the suitable type thermal interfacial material crosslinking, to reduce the mobility of the suitable type thermal interfacial material, and passing through will be described Waste heat is transmitted to the coolant storage from each battery to provide being uniformly distributed for the waste heat.
7. the waste heat according to claim 6 for by fitting battery pack of the type thermal interfacial material offer in vehicle Equally distributed method further includes shaking after placing the suitable type thermal interfacial material and before crosslinking in vehicle The equally distributed system of waste heat is provided in battery pack to be distributed the suitable type thermal interfacial material.
8. the waste heat according to claim 6 for by fitting battery pack of the type thermal interfacial material offer in vehicle Equally distributed method further includes vibrating after placing the suitable type thermal interfacial material and before crosslinking in vehicle The equally distributed system of waste heat is provided in battery pack to be distributed the suitable type thermal interfacial material.
9. the waste heat according to claim 6 for by fitting battery pack of the type thermal interfacial material offer in vehicle Equally distributed method, wherein the mobility of the suitable type thermal interfacial material is reduced, so that the thermal interfacial material of crosslinking is formed admittedly Body, and structural support is provided for the battery pack.
10. according to claim 6 for providing the waste heat of the battery pack in vehicle by fitting type thermal interfacial material Equally distributed method, further include that release liner is placed on coolant storage before placing the suitable type thermal interfacial material On storage.
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